S&W K Frame Model 15 Combat Masterpiece Thumb Piece and Nut Blue Steel .38 Special Used, Part# 15179

Smith & Wesson K Frame Model 15 Combat Masterpiece — Thumb Piece and Nut, Blue Steel, .38 Special

Part# 15179 | Used OEM Factory Part | K Frame

Restore the cylinder release on your Model 15 Combat Masterpiece with this genuine Smith & Wesson factory thumb piece and nut in classic blue steel. This original old-style part is a direct OEM replacement, ensuring proper fit and function for your K Frame revolver.

• Part: Thumb Piece and Nut (cylinder release latch assembly)
• Finish: Blue Steel
• Frame Size: K Frame
• Compatible Models: Model 15 Combat Masterpiece (.38 Special)
• Condition: Used — genuine OEM factory part
• Installation: Gunsmith fitting recommended

Finding Your Model Number

Swing out the cylinder and check behind the yoke on the frame. Model numbers were introduced in 1957–58. If your revolver has no model number, it may pre-date 1957 — contact us with your serial number and we can help identify the correct part.

Factory replacement parts are manufactured to the exact same specifications, tolerances, and materials as the originals.